package com.atguigu.lease.web.app.service.impl;

import com.atguigu.lease.model.entity.BrowsingHistory;
import com.atguigu.lease.web.app.mapper.BrowsingHistoryMapper;
import com.atguigu.lease.web.app.service.BrowsingHistoryService;
import com.atguigu.lease.web.app.vo.history.HistoryItemVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * @author liubo
 * @description 针对表【browsing_history(浏览历史)】的数据库操作Service实现
 * @createDate 2023-07-26 11:12:39
 */
@Service
@Slf4j
public class BrowsingHistoryServiceImpl extends ServiceImpl<BrowsingHistoryMapper, BrowsingHistory> implements BrowsingHistoryService {

    @Autowired
    private BrowsingHistoryMapper browsingHistoryMapper;

    @Override
    public IPage<HistoryItemVo> pageHistory(Page<HistoryItemVo> page,Long id) {
        return browsingHistoryMapper.pageHistory(page,id);
    }

    @Override
    @Async
    public void saveHistory(Long userId, Long roomId) {
        BrowsingHistory browsingHistory = new BrowsingHistory(userId,roomId,new Date());

        LambdaQueryWrapper<BrowsingHistory> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(BrowsingHistory::getUserId,userId).eq(BrowsingHistory::getRoomId,roomId);
        Long l = browsingHistoryMapper.selectCount(wrapper);
        if(l > 0){
            LambdaUpdateWrapper<BrowsingHistory> updateWrapper = new LambdaUpdateWrapper<>();
            updateWrapper.eq(BrowsingHistory::getUserId,userId).eq(BrowsingHistory::getRoomId,roomId);
            browsingHistoryMapper.update(browsingHistory,updateWrapper);
        }else {
            browsingHistoryMapper.insert(browsingHistory);
        }
    }
}




